
Description: Klangmeister is a free, open-source digital audio workstation and MIDI sequencer for Windows, Mac, and Linux. It provides tools for recording, editing, mixing, and producing music and audio.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Extempore is an open-source programming environment aimed at live coding of interactive, multimedia systems. It allows musicians, artists, and other creatives to write algorithms that generate audio and graphics in real-time during a performance.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API